InChI=1/C18H26N4O2S/c1-18(2,3)20-15(23)12-8-10-13(11-9-12)16(24)21-22-17(25)19-14-6-4-5-7-14/h8-11,14H,4-7H2,1-3H3,(H,20,23)(H,21,24)(H2,19,22,25)/f/h19-22H B9B9F2D48E3E81E9